Colorized and probably AI sharpened from the original if I had to guess, but it is a real image.
Supposedly maybe the earliest picture of them together according to the GettyImages editorial submission of the original? (https://www.gettyimages.com/detail/news-photo/fidel-castro-and-ernesto-che-guevara-in-miguel-schultz-jail-news-photo/89861207)
Anyways they’re both hot; Che I would have ridden you like a motorcycle